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319316
EXPUNGED

on 20 Feb 1985

TRIG-AIDE

BROOKS MANUFACTURING COMPANY

319316 · 28 Jan 1969

016

Calculating device for assisting in solving trigonometric problems.

Country

Canada

CA

Status

All

Registered

Pending

Abandoned

Other

Owners

Brooks manufacturing company (1)

Categories

Class 16 (1)

Correspondents

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